Yes, I should have put a disclaimer in, but I think the teething issues are largely settled. The point was that the investment was there though.

And to the original point that "at least in Europe there is a push to bring back overnight trains as an alternative to carbon-intensive flying", there is this from 5 days ago: https://www.cntraveler.com/story/europe-is-undergoing-a-slee... which leads with the Caledonian Sleeper, and mentions others such as the new Paris-based Midnight Trains, the revival of the Trans-Europe Express, Czech-based RegioJet, and ÖBB's Nightjet.